Installing The System Board - Dell Latitude 5430 Service Handbook

Steps
NOTE: The system board can be removed and installed with the heat sink attached in order to simplify
the procedure and preserve the heat sink between the system board and heat-sink. In order to do so,
technicians must also remove the two (M2x5) screws that secure the system fan to the system board.
NOTE: For the models shipped with a fingerprint reader, disconnect the fingerprint reader cable from the connector on the
system board before removing the system board from the palm-rest assembly.
1. Remove the two (M2x3) screws that secure the eDP cable bracket to the system board.
2. Lift the eDP cable bracket away from the system.
3. Peel the tape that secures the display cable to the system board.
4. Using the pull tab, disconnect the display cable from the connector on the system board.
5. Peel the coin-cell battery from the palm-rest assembly.
6. Open the latch and disconnect the USH board cable from the connector on the system board.
7. Open the latch and disconnect the touchpad cable from the connector on the system board.
8. Remove the three (M2x5) screws that secure the USB Type-C bracket to the system board.
9. Lift the USB Type-C bracket off the system board.
10. Remove the four (M2x3) screws that secure the system board to the palm-rest assembly and keyboard assembly.
11. Lift the system board off the palm-rest assembly and keyboard assembly.

Installing the system board

Prerequisites
Om du byter ut en komponent, ta bort den befintliga komponenten innan du utför installationsproceduren.
About this task
The following image indicates the location of the system board and provides a visual representation of the installation procedure.
46 Ta bort och installera komponenter